A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
Dentro del libro
Resultados 1-3 de 47
Página 86
ALCYONELLA , Lamarck , 1816 . Name . - A diminutive noun , formed from
Alcyonium , a genus of marine Actninozoal Radiata . The animal originally
described by Pallas , under the name of Tubularia fungosa , and by Bruguière
under that of ...
ALCYONELLA , Lamarck , 1816 . Name . - A diminutive noun , formed from
Alcyonium , a genus of marine Actninozoal Radiata . The animal originally
described by Pallas , under the name of Tubularia fungosa , and by Bruguière
under that of ...
Página 87
The ordinary or free statoblasts , both in Alcyonella and Plumatella , present two
different shapes ; in some species they are broadly elliptical , the diameters of the
ellipse being to one another pretty nearly in the ratio of 2 : 3 ; in others again ...
The ordinary or free statoblasts , both in Alcyonella and Plumatella , present two
different shapes ; in some species they are broadly elliptical , the diameters of the
ellipse being to one another pretty nearly in the ratio of 2 : 3 ; in others again ...
Página 88
Alcyonella stagnorum . Carus , Tabulæ Illustrantes , pars 3 , tom . 1 . ( Figure
locomotive embryo , copied from Meyen . ) 1836. Alcyonella stagnorum .
Dumortier , Mém . sur les Pol . comp . d'eau douce , p . 24 . 1836. Alcyonella
stagnorum .
Alcyonella stagnorum . Carus , Tabulæ Illustrantes , pars 3 , tom . 1 . ( Figure
locomotive embryo , copied from Meyen . ) 1836. Alcyonella stagnorum .
Dumortier , Mém . sur les Pol . comp . d'eau douce , p . 24 . 1836. Alcyonella
stagnorum .
Comentarios de la gente - Escribir un comentario
No encontramos ningún comentario en los lugares habituales.
Otras ediciones - Ver todas
A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
Términos y frases comunes
adherent admit Alcyonella alimentary alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British canal cavity cell character cilia closely complete condition connected consists constitutes contained continuous Cristatella crown described detected disc distinct Dumortier ectocyst edit endocyst entire epistome examined existence extending external extremity fibres fluid Fredericella fresh-water Polyzoa genera genus Gervais gives Hist important internal latter layer Leidy lophophore Lophopus margin mass Mém membrane memoir minute mouth muscles Natural naturalists nearly observed occur organs orifice Original figures Paludicella passes Plumatella Plumatella repens Polype polypide Polyzoon portion present published relations repens resemblance retraction retractor Rösel seen separated sheath side space species specimens statoblasts stomach stones structure surface surrounding tentacula transparent transverse Trembley true tubes Tubularia tunic Tunicata walls whole young